| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| phases of clinical trials nih | 0.64 | 0.7 | 6947 | 56 |
| phases of clinical trials ncirs | 0.76 | 0.8 | 2144 | 10 |
| phases of the clinical trials | 0.45 | 0.8 | 2727 | 26 |
| phases of clinical trials pdf | 0.02 | 0.2 | 1094 | 25 |
| phases of clinical trials explained | 0.56 | 0.4 | 3537 | 20 |
| phases of clinical research trials | 1.91 | 0.2 | 97 | 65 |
| clinical trials and its phases | 0.29 | 0.4 | 4597 | 29 |
| study phases clinical trials | 0.86 | 1 | 8491 | 80 |
| clinical trials phases 1 4 | 1 | 0.3 | 2109 | 7 |
| nih clinical trials phases | 0.03 | 0.7 | 52 | 79 |
| trial phases in clinical research | 1.27 | 0.6 | 1871 | 46 |
| clinical trial phases chart | 1.59 | 0.1 | 2543 | 9 |
